8c6744c9d42ec2cb9e8885b54ff744d0

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File name : Controller.ph

Content :

<?php

namespace Action_Scheduler\Migration;

use ActionScheduler_DataController;
use ActionScheduler_LoggerSchema;
use ActionScheduler_StoreSchema;
use Action_Scheduler\WP_CLI\ProgressBar;

/**
 * Class Controller
 *
 * The main plugin/initialization class for migration to custom tables.
 *
 * @package Action_Scheduler\Migration
 *
 * @since 3.0.0
 *
 * @codeCoverageIgnore
 */
class Controller {
	private static $instance;

/** @var Action_Scheduler\Migration\Scheduler */
	private $migration_scheduler;

/** @var string */
	private $store_classname;

/** @var string */
	private $logger_classname;

/** @var bool */
	private $migrate_custom_store;

/**
	 * Controller constructor.
	 *
	 * @param Scheduler $migration_scheduler Migration scheduler object.
	 */
	protected function __construct( Scheduler $migration_scheduler ) {
		$this->migration_scheduler = $migration_scheduler;
		$this->store_classname     = '';
	}

/**
	 * Set the action store class name.
	 *
	 * @param string $class Classname of the store class.
	 *
	 * @return string
	 */
	public function get_store_class( $class ) {
		if ( \ActionScheduler_DataController::is_migration_complete() ) {
			return \ActionScheduler_DataController::DATASTORE_CLASS;
		} elseif ( \ActionScheduler_Store::DEFAULT_CLASS !== $class ) {
			$this->store_classname = $class;
			return $class;
		} else {
			return 'ActionScheduler_HybridStore';
		}
	}

/**
	 * Set the action logger class name.
	 *
	 * @param string $class Classname of the logger class.
	 *
	 * @return string
	 */
	public function get_logger_class( $class ) {
		\ActionScheduler_Store::instance();

if ( $this->has_custom_datastore() ) {
			$this->logger_classname = $class;
			return $class;
		} else {
			return \ActionScheduler_DataController::LOGGER_CLASS;
		}
	}

/**
	 * Get flag indicating whether a custom datastore is in use.
	 *
	 * @return bool
	 */
	public function has_custom_datastore() {
		return (bool) $this->store_classname;
	}

/**
	 * Set up the background migration process.
	 *
	 * @return void
	 */
	public function schedule_migration() {
		$logging_tables = new ActionScheduler_LoggerSchema();
		$store_tables   = new ActionScheduler_StoreSchema();

/*
		 * In some unusual cases, the expected tables may not have been created. In such cases
		 * we do not schedule a migration as doing so will lead to fatal error conditions.
		 *
		 * In such cases the user will likely visit the Tools > Scheduled Actions screen to
		 * investigate, and will see appropriate messaging (this step also triggers an attempt
		 * to rebuild any missing tables).
		 *
		 * @see https://github.com/woocommerce/action-scheduler/issues/653
		 */
		if (
			ActionScheduler_DataController::is_migration_complete()
			|| $this->migration_scheduler->is_migration_scheduled()
			|| ! $store_tables->tables_exist()
			|| ! $logging_tables->tables_exist()
		) {
			return;
		}

$this->migration_scheduler->schedule_migration();
	}

/**
	 * Get the default migration config object
	 *
	 * @return ActionScheduler\Migration\Config
	 */
	public function get_migration_config_object() {
		static $config = null;

if ( ! $config ) {
			$source_store  = $this->store_classname ? new $this->store_classname() : new \ActionScheduler_wpPostStore();
			$source_logger = $this->logger_classname ? new $this->logger_classname() : new \ActionScheduler_wpCommentLogger();

$config = new Config();
			$config->set_source_store( $source_store );
			$config->set_source_logger( $source_logger );
			$config->set_destination_store( new \ActionScheduler_DBStoreMigrator() );
			$config->set_destination_logger( new \ActionScheduler_DBLogger() );

if ( defined( 'WP_CLI' ) && WP_CLI ) {
				$config->set_progress_bar( new ProgressBar( '', 0 ) );
			}
		}

return apply_filters( 'action_scheduler/migration_config', $config );
	}

/**
	 * Hook dashboard migration notice.
	 */
	public function hook_admin_notices() {
		if ( ! $this->allow_migration() || \ActionScheduler_DataController::is_migration_complete() ) {
			return;
		}
		add_action( 'admin_notices', array( $this, 'display_migration_notice' ), 10, 0 );
	}

/**
	 * Show a dashboard notice that migration is in progress.
	 */
	public function display_migration_notice() {
		printf( '<div class="notice notice-warning"><p>%s</p></div>', esc_html__( 'Action Scheduler migration in progress. The list of scheduled actions may be incomplete.', 'action-scheduler' ) );
	}

/**
	 * Add store classes. Hook migration.
	 */
	private function hook() {
		add_filter( 'action_scheduler_store_class', array( $this, 'get_store_class' ), 100, 1 );
		add_filter( 'action_scheduler_logger_class', array( $this, 'get_logger_class' ), 100, 1 );
		add_action( 'init', array( $this, 'maybe_hook_migration' ) );
		add_action( 'wp_loaded', array( $this, 'schedule_migration' ) );

// Action Scheduler may be displayed as a Tools screen or WooCommerce > Status administration screen
		add_action( 'load-tools_page_action-scheduler', array( $this, 'hook_admin_notices' ), 10, 0 );
		add_action( 'load-woocommerce_page_wc-status', array( $this, 'hook_admin_notices' ), 10, 0 );
	}

/**
	 * Possibly hook the migration scheduler action.
	 *
	 * @author Jeremy Pry
	 */
	public function maybe_hook_migration() {
		if ( ! $this->allow_migration() || \ActionScheduler_DataController::is_migration_complete() ) {
			return;
		}

$this->migration_scheduler->hook();
	}

/**
	 * Allow datastores to enable migration to AS tables.
	 */
	public function allow_migration() {
		if ( ! \ActionScheduler_DataController::dependencies_met() ) {
			return false;
		}

if ( null === $this->migrate_custom_store ) {
			$this->migrate_custom_store = apply_filters( 'action_scheduler_migrate_data_store', false );
		}

return ( ! $this->has_custom_datastore() ) || $this->migrate_custom_store;
	}

/**
	 * Proceed with the migration if the dependencies have been met.
	 */
	public static function init() {
		if ( \ActionScheduler_DataController::dependencies_met() ) {
			self::instance()->hook();
		}
	}

/**
	 * Singleton factory.
	 */
	public static function instance() {
		if ( ! isset( self::$instance ) ) {
			self::$instance = new static( new Scheduler() );
		}

return self::$instance;
	}
}

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